NCERT Solutions Class 9 Mathematics Chapter 15 Probability

Exercise 15.1 Q.1) In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary. Sol.1) Let ๐ธ be the event of hitting the boundary Then ๐‘ƒ(๐ธ) = ๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘กโ„Ž๐‘’ ๐‘ก๐‘–๐‘š๐‘’๐‘  ๐‘๐‘Ž๐‘ก๐‘ค๐‘œ๐‘š๐‘Ž๐‘› โ„Ž๐‘–๐‘ก๐‘  ๐‘กโ„Ž๐‘’โ€ฆ